DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API

Transaction action

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - 1ST MM ED Award a ₱36.9M contract to NORTHERN BUILDERSNational agencies

Transaction hash:

c19dd8ba7ba0ce3fc1550b75dc8d7ab8bbc9c08432227153dd05ac1887a5c55a

Status:

Included and unchanged

Block:

#1,160 4,853 blocks after it

Position in block:

Transaction 33 of 43

Award day:

Jun 6, 2011 (15 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - 1ST MM ED

To:

NORTHERN BUILDERS

Value:

₱36,896,157.30

Project:

Rehabilitation, Re-construction/Upgrading

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - 1ST MM ED

Accountable officer:

Not stated in the source. PhilGEPS does not publish who certified the award.

Certification:

Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.

Demo signature:

Block #1,160 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - 1ST MM ED awarded it to NORTHERN BUILDERS on 2011-06-06.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored c19dd8ba7b…a5c55anow …
2. Block Merkle root changed
stored 42e0ea0443…2262e8now …
3. Block #1160 hash changed
stored 1166044f09…166679now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 42 records. Each step hashes the current value together with the sibling shown.

leaf c19dd8ba7ba0ce3fc1550b75dc8d7ab8bbc9c08432227153dd05ac1887a5c55a
01 L b451698f0745642a393ff3026ed8f8459e3698130887ee176b3e8f5118d81936
02 R bc4c056a679ee977e12f83359f446303c4b63be5c8daa8145cab1445d5c308bc
03 R 5b4ac1585ae5b4c4e00a8fda87019c23bba90c8d852f1092b0bf4cacfcff3d6d
04 R 07b0b6399124f3b3b9e5bf2fbd9427b7bbb17ebca5920087287f48161f96af83
05 R 0201156e8025c6d0fe73d91bad6e19c6c3182353c297ebca6d66d7049775f3fb
06 L e79240517d50fa048623c8ee7948ec90aed1891e26b87fa276ec7815ea765230
root 42e0ea0443bc43d99476d59488adb3ad967cf6834efc54d06b98083e642262e8